EP2442118A4 - Magnetic balance current sensor - Google Patents

Magnetic balance current sensor Download PDF

Info

Publication number
EP2442118A4
EP2442118A4 EP10786249.2A EP10786249A EP2442118A4 EP 2442118 A4 EP2442118 A4 EP 2442118A4 EP 10786249 A EP10786249 A EP 10786249A EP 2442118 A4 EP2442118 A4 EP 2442118A4
Authority
EP
European Patent Office
Prior art keywords
current sensor
magnetic balance
balance current
magnetic
sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10786249.2A
Other languages
German (de)
French (fr)
Other versions
EP2442118A1 (en
EP2442118B1 (en
Inventor
Yosuke Ide
Masahiro Iizuka
Masamichi Saito
Akira Takahashi
Hideharu Matsuo
Tsuyoshi Nojima
Shigenobu Miyajima
Naoki Sakatsume
Kenji Ichinohe
Yoshihiro Nishiyama
Tatsuya Kogure
Hidekazu Kobayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Publication of EP2442118A1 publication Critical patent/EP2442118A1/en
Publication of EP2442118A4 publication Critical patent/EP2442118A4/en
Application granted granted Critical
Publication of EP2442118B1 publication Critical patent/EP2442118B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/02Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09Magnetoresistive devices
    • G01R33/093Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/20Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
    • G01R15/205Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices using magneto-resistance devices, e.g. field plates
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/005Testing of electric installations on transport means
    • G01R31/006Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Hall/Mr Elements (AREA)
EP10786249.2A 2009-06-12 2010-06-11 Magnetic balance current sensor Active EP2442118B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009141706 2009-06-12
PCT/JP2010/059959 WO2010143718A1 (en) 2009-06-12 2010-06-11 Magnetic balance current sensor

Publications (3)

Publication Number Publication Date
EP2442118A1 EP2442118A1 (en) 2012-04-18
EP2442118A4 true EP2442118A4 (en) 2017-06-21
EP2442118B1 EP2442118B1 (en) 2021-11-10

Family

ID=43308973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10786249.2A Active EP2442118B1 (en) 2009-06-12 2010-06-11 Magnetic balance current sensor

Country Status (4)

Country Link
US (1) US8754642B2 (en)
EP (1) EP2442118B1 (en)
JP (1) JP5250109B2 (en)
WO (1) WO2010143718A1 (en)

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WO2012093556A1 (en) * 2011-01-05 2012-07-12 アルプス・グリーンデバイス株式会社 Magnetic-balance current sensor and method for manufacturing a magnetic-balance current sensor
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WO2013105451A1 (en) * 2012-01-12 2013-07-18 アルプス・グリーンデバイス株式会社 Current sensor
WO2013161773A1 (en) * 2012-04-23 2013-10-31 日立金属株式会社 Magnetic sensor device
US9279865B2 (en) * 2012-05-09 2016-03-08 Everspin Technologies, Inc. Method and structure for testing and calibrating three axis magnetic field sensing devices
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US10557874B2 (en) * 2013-10-17 2020-02-11 Osaka City Univeristy Electric current measurement apparatus and electric current measurement method
KR101524560B1 (en) * 2013-12-24 2015-06-01 만도헬라일렉트로닉스(주) Apparatus of compensating offset of current sensor and control method thereof
CN103645449B (en) * 2013-12-24 2015-11-25 江苏多维科技有限公司 A kind of single-chip for high-intensity magnetic field refers to bridge type magnetic sensor
JP6415813B2 (en) 2013-12-25 2018-10-31 株式会社東芝 Current sensor, current measurement module and smart meter
JP6199730B2 (en) 2013-12-25 2017-09-20 株式会社東芝 Current sensor and current sensor module
JP6456850B2 (en) * 2014-02-06 2019-01-23 株式会社寺田電機製作所 DC watt-hour meter and current sensor calibration method
WO2017064921A1 (en) * 2015-10-14 2017-04-20 アルプス電気株式会社 Current detection device
JP6724459B2 (en) 2016-03-23 2020-07-15 Tdk株式会社 Magnetic sensor
JP6842741B2 (en) * 2017-01-12 2021-03-17 アルプスアルパイン株式会社 Magnetic sensor
JP6490130B2 (en) 2017-03-24 2019-03-27 Tdk株式会社 Magnetic sensor
DE102017004349A1 (en) 2017-05-08 2018-11-08 Tdk-Micronas Gmbh Magnetic field compensation device
JP6658676B2 (en) 2017-06-13 2020-03-04 Tdk株式会社 Current sensor
JP6620796B2 (en) 2017-07-28 2019-12-18 Tdk株式会社 Offset estimation apparatus and method, magnetic sensor correction apparatus, and current sensor
JP6690617B2 (en) 2017-09-15 2020-04-28 Tdk株式会社 Magnetic sensor device and current sensor
JP7057680B2 (en) * 2018-02-13 2022-04-20 アルプスアルパイン株式会社 Magnetic sensor and current sensor
JP7020176B2 (en) * 2018-02-27 2022-02-16 Tdk株式会社 Magnetic sensor
US11002806B2 (en) * 2018-03-29 2021-05-11 Asahi Kasei Microdevices Corporation Magnetic field detection device
US20200003846A1 (en) * 2018-07-02 2020-01-02 Asahi Kasei Microdevices Corporation Magnetic field measuring device, magnetic field measurement method, and recording medium having recorded thereon magnetic field measurement program
US10983179B2 (en) 2018-07-02 2021-04-20 Asahi Kasei Microdevices Corporation Magnetic field measuring device, magnetic field measurement method, and recording medium having recorded thereon magnetic field measurement program
CN112230043B (en) * 2020-10-10 2023-12-08 浙江巨磁智能技术有限公司 Method for separating alternating current from direct current by utilizing magnetic balance principle
CN114217114B (en) * 2021-12-21 2023-04-14 江苏多维科技有限公司 Current sensor

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US6429640B1 (en) * 2000-08-21 2002-08-06 The United States Of America As Represented By The Secretary Of The Air Force GMR high current, wide dynamic range sensor
US20030057938A1 (en) * 2001-08-27 2003-03-27 International Rectifier Corporation Magnetoresistive magnetic field sensors and motor control devices using same
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Title
See also references of WO2010143718A1 *

Also Published As

Publication number Publication date
EP2442118A1 (en) 2012-04-18
JPWO2010143718A1 (en) 2012-11-29
JP5250109B2 (en) 2013-07-31
EP2442118B1 (en) 2021-11-10
US8754642B2 (en) 2014-06-17
WO2010143718A1 (en) 2010-12-16
US20120062224A1 (en) 2012-03-15

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